Ventilation grille



FIG. 1 is a bottom perspective view of the ventilation grille of the instant invention;

FIG. 2 is a bottom view of the grille of FIG. 1;

FIG. 3 is a top view of the grille of FIG. 1;

FIG. 4 is a left side view of the grille of FIG. 1;

FIG. 5 is a right side view of the grille of FIG. 1;

FIG. 6 is a front side view of the grille of FIG. 1;

FIG. 7 is a rear side view of the grille of FIG. 1; and,

FIG. 8 is a cross-sectional view of the grille of FIG. 1, taken along line 8-8 of FIG. 2.

The broken lines illustrate portions of the ventilation grille that form no part of the claimed design. 

CLAIM The ornamental design for a ventilation grill, as shown and described. 